Historic British County
| Basic: |
| A historic British county is a type of county and state. |
| Documentation: |
| Comment: The collection of traditional British counties, of which there are 86. and The collection of traditional Welsh counties. |
| Miscellaneous: |
| Types of historic British county include historic English counties, historic Scottish counties, and historic Welsh counties. |
| Every historic British county is part of the United Kingdom. |